Gertrude McFuzz is a character from the Dr. Seuss Books. She is from Gertrude McFuzz, and Seussical the Musical. She was a girl-bird that had one feather. She ate pill-berries that her uncle, Doctor Dake told her of. In the book, she eats a vine of unnamed berries that have the same effects. Miss Gertrude McFuzz is a fictitious character in: Dr. Seuss's homonymous short story Miss Gertrude McFuzz, Yertle the Turtle and Other Stories and the Broadway musical Seussical, which elaborates upon her s